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anastassius [24]
3 years ago
13

Solve for y 3x + 1/5y = 7

Mathematics
1 answer:
jarptica [38.1K]3 years ago
4 0
I think it is y=35 because u multiply both sides by 5 move the variable right then the final solution is
You might be interested in
Stitu wants to cut square pieces of chart paper which is 48 cm long and 32 cm wide .If she is able to get 6 equal pieces ,then f
alisha [4.7K]

Answer:

Length of each piece = 16cm.

Step-by-step explanation:

Since the chart paper is 48cm x 32cm in size, finding the total area of the paper would be A = l x w, where l=length of the paper and w=width.

A = 48 x 32 = 1536cm²

Since Stitu was able to get 6 equal pieces, then we can take the total area and divede by 6:

\frac{1536}{6} = 256

Since 256cm² represents the area of each square, we can take the square root of this number to find the length of just one square since the formula for the area of a square is A=s², where s=the length of one side:

s² = 256 so √s² = √256 or s = 16cm

8 0
3 years ago
Given that A=xy find the percentage increase in A when both X and Y increase by 10%
Lelechka [254]
A=xy
If there is 10% increase in x then,
New value of x = x + 10%of x =1.1x
similarly for y
New value of y after increase= 1.1 y
New value of A after increase in x and y = 1 .1x × 1.1 y= 1.21xy
now
increase amount in A= New value of A - old value of A
=1.21xy - xy= 0.21xy
percentage increase in A= (0.21xy÷xy )× 100= 21%
7 0
3 years ago
Help me do this problem.
ipn [44]

3\frac{5}{8} = \frac{29}{8}


\frac{1}{3}(3\frac{5}{8} )=(\frac{1}{3} (\frac{24}{8} ))+(\frac{1}{3} (\frac{5}{8} ))

[If you can't type fractions, then instead of 24/8, do 3]

The first missing value is 3 or \frac{24}{8}


= \frac{3}{3} + \frac{5}{24}

The second missing value is 24 (because 3 times 8 is 24)


= \frac{24}{24}+ \frac{5}{24}      Make the denominators the same in order to add them together

= \frac{29}{24}

The third missing value is 29

7 0
3 years ago
I’m gonna lose the New York and take a plane to Lisbon. When Amanda left the house it was -8°. When the plane landed in the spin
11111nata11111 [884]

Answer:

12

Step-by-step explanation:

Given:

-8

+20°

Solution:

-8+20 = 12

Therefore the answer is 12

3 0
2 years ago
A wheel with radius 1 foot makes 1 revolution in 4 seconds. What is the linear velocity, in feet per second, of a point on the e
Alex

Answer:

v=\dfrac{\pi}{2}\ ft/s

Step-by-step explanation:

Given that,

A wheel with radius 1 foot makes 1 revolution in 4 seconds

We need to find the linera velocity of a point on the edge of the wheel. We know that, the linear velcity is given by :

v=r\omega

Where

\omega is angular velcocity,\omega=2\pi\ rad

\omega=\dfrac{1}{4}\times 2\pi\\\\=0.5\pi\ rad/s

So

v=1\times 0.5\pi\\\\v=\dfrac{\pi}{2}\ ft/s

So, the linear velocity of the wheel is equal to \dfrac{\pi}{2}\ ft/s.

3 0
3 years ago
Read 2 more answers
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